110120101021 has 8 divisors (see below), whose sum is σ = 125868188160. Its totient is φ = 94376174928.

The previous prime is 110120100997. The next prime is 110120101057. The reversal of 110120101021 is 120101021011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-110120101021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110120100989 and 110120101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120101621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983341 + ... + 1089586.

It is an arithmetic number, because the mean of its divisors is an integer number (15733523520).

Almost surely, 2^110120101021 is an apocalyptic number.

It is an amenable number.

110120101021 is a deficient number, since it is larger than the sum of its proper divisors (15748087139).

110120101021 is an equidigital number, since it uses as much as digits as its factorization.

110120101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080523.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110120101021 its reverse (120101021011), we get a palindrome (230221122032).

The spelling of 110120101021 in words is "one hundred ten billion, one hundred twenty million, one hundred one thousand, twenty-one".